Why does JavaScript have 3 equal signs?

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Tags

1. #comparing
2. #false
3. #enough
4. #result
5. #types
6. #number
7. #string
8. #returns
9. #operator
10. #cases
11. #contain
12. #triple
13. #different
14. #equality
15. #operands
16. #definition
17. #equals
18. #value
19. #expected